/Engine/Source/Editor/MaterialEditor/Public/MaterialPropertyHelpers.h
Generic material property reset to default implementation. Resets Parameter to default
static bool ShouldShowResetToDefault ( [UDEditorParameterValue](API\Editor\UnrealEd\MaterialEditor\UDEditorParameterValue) * Parameter, [UMaterialEditorInstanceConstant](API\Editor\UnrealEd\MaterialEditor\UMaterialEditorInstanceConstant) * MaterialEditorInstance )